Chicago Marathon October 2024 Dates. The day’s events will kick off at 7:20 a.m. The 46th running of the bank of america chicago marathon will take place on sunday, october 13, 2024.

Nearly 50,000 runners took to the streets of chicago on sunday (13 october) seeking the glory that comes with taking the crown at the 2024 chicago marathon. View the leaderboard and results, including 5k splits, for race finishers.